David doesn’t pull any punches. Its blissful, serenely sparse world is populated by multitudes of terrifying two-dimensional shapes, all hell-bent on snuffing the life out of your little box-shaped hero. All you have in your defense are wits and agility, along with a special projectile ability that takes a few seconds to charge. David’s physics-driven rumination on the struggles of life feels almost poignant at times, and its abstract design works mostly in its favor—but the game is also extremely difficult and not for the easily frustrated.

Your challenge is simple: fly a wedge-shaped spaceship around an orange slice of space, collecting circular coins. All you need to do is grab 15, and each successful pick-up increments a circular score indicator at the center of the screen. How hard could that be? The twist is that your actions are cloned and represented on screen by an increasingly large robotic swarm of black ships. Collide with one of your echoes and it’s game over.

This minimalist puzzler’s name is styled as LYNE, but we’re having none of it. Uppercase suggests someone’s getting all shouty, but Lyne (as we’re calling the game) is as reserved as they come. Lyne’s all about forming pathways between like-colored shapes positioned on a grid — you’re essentially joining the dots, but are restricted to 90- and 45-degree angles. As you work on each puzzle, abstract noises pleasingly chirp away in the background, confirming every connection like a panpipe-playing robot.

Two thoughts will probably consecutively enter your mind upon first booting up Strata: first that its visual design is beautifully, almost sinfully elegant, and second that you have no idea what’s actually going on. Don’t panic. Like many of the artfully abstract-chic brainteasers that often pop up in the App Store, Strata is conceptually pretty simple, even if its confusing layers of colored lines might have you initially thinking otherwise. The easiest way to describe Strata is to say that it’s essentially a visual logic puzzle.

Rymdkapsel is what we imagine playing an isometric, real-time strategy space game on the Atari might have been like back in the day – if the genre had existed then – and it's fabulous. The complexities that come from gathering resources, expanding your space station, generating new minions, and defending your galactic turf from waves of invading aliens contrast wildly against the simple 8-bit style aesthetic and tightly focused scope. There's a certain charm to its simplicity, but enough depth to back it up and keep you immersed in the fascinating task of building out your tiny space station empire.

Mac OS X comes with many features, which can be beneficial to the user, but some of the features like printer drivers, additional language support, and other bundled software can take valuable disk space away from your Mac. Whether you have an older Mac with a smaller hard drive (or a new Mac), we’ll show you how to reinstall OS X and limit the installation size, giving you more room to grow in your digital world.